CHEMICAL ABSORBER OF SOUR GASES AND METHOD OF MANUFACTURE OF SORE GASES ABSORBER Russian patent published in 2006 - IPC B01J20/24 B01J20/32 

FIELD: chemical industry; sanitary cleaning of gas ejection.

SUBSTANCE: chemical absorber has base of timber chips processed by hydroxide water solution of one and more alkali metal till achieving alkali metal content in absorber up to 10-50 mass percent. Timber chips have thickness less or equal to 1 mm, width of 2 mm and wider and length of 50 mm and longer. To prepare chemical absorber, timber chips are soaked in solution, kept in till swelling, impregnated by alkali agent and are supposed to drying till achieving humidity of 10-15 mass percent. Absorber is capable of catching HF, SO₂, CO₂, HCl and other sore gases.

EFFECT: reduced cost.

5 cl, 3 ex, 4 tbl